Document Language Models, Query Models, and Risk Minimization for Information Retrieval.
John D. LaffertyChengXiang ZhaiPublished in: SIGIR (2001)
Keyphrases
- information retrieval
- document language models
- risk minimization
- language modeling
- language model
- probabilistic model
- query terms
- query expansion
- relevance feedback
- text mining
- user queries
- machine learning
- relevance model
- retrieval model
- information retrieval systems
- query processing
- vector space
- document retrieval
- information extraction
- active learning
- smoothing methods
- keywords